my truck(91 p/u 22re 4x4) is idleing down really low. it gets down to 300-400 rpms and it sounds bad. i have been told that it is b/c of the pipes i put on it. is there any way that i can idle it up any. i am afriad that during the hot summer here that it would die when using a/c. Help!!!

 

Tune-up?
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95 Toyota 4runner SR5 V6 3.0 Automatic 149,900 Miles